Across
1
Metal that replaced bronze in tools
2
Relating to the Middle Ages
4
Person who travels to discover new lands
7
Formal agreement between nations
8
Large territory under one ruler
10
Armored warrior of medieval times
Down
2
Government ruled by a king or queen
3
Period of one hundred years
5
Deadly epidemic disease
6
Legislative assembly of a country
9
Ancient Egyptian ruler
11
Military blockade of a fortified place
12
Object made by humans from the past